mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
42b09d7b0e
We will need it for atomic.h, so move it from the ad-hoc tools/perf/ place to a tools/ subset of the kernel arch/ hierarchy. The parisc stuff was just using the asm-generic/barrier.h, no need to introduce a tools/arch/parisc/ tree just yet. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-tfas9bs1gje0hfsvhqgrosd6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
120 lines
2.2 KiB
C
120 lines
2.2 KiB
C
#ifndef _PERF_SYS_H
|
|
#define _PERF_SYS_H
|
|
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/syscall.h>
|
|
#include <linux/types.h>
|
|
#include <linux/perf_event.h>
|
|
#include <asm/barrier.h>
|
|
|
|
#if defined(__i386__)
|
|
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
|
|
#define CPUINFO_PROC {"model name"}
|
|
#ifndef __NR_perf_event_open
|
|
# define __NR_perf_event_open 336
|
|
#endif
|
|
#ifndef __NR_futex
|
|
# define __NR_futex 240
|
|
#endif
|
|
#ifndef __NR_gettid
|
|
# define __NR_gettid 224
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(__x86_64__)
|
|
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
|
|
#define CPUINFO_PROC {"model name"}
|
|
#ifndef __NR_perf_event_open
|
|
# define __NR_perf_event_open 298
|
|
#endif
|
|
#ifndef __NR_futex
|
|
# define __NR_futex 202
|
|
#endif
|
|
#ifndef __NR_gettid
|
|
# define __NR_gettid 186
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __powerpc__
|
|
#include "../../arch/powerpc/include/uapi/asm/unistd.h"
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __s390__
|
|
#define CPUINFO_PROC {"vendor_id"}
|
|
#endif
|
|
|
|
#ifdef __sh__
|
|
#define CPUINFO_PROC {"cpu type"}
|
|
#endif
|
|
|
|
#ifdef __hppa__
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __sparc__
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __alpha__
|
|
#define CPUINFO_PROC {"cpu model"}
|
|
#endif
|
|
|
|
#ifdef __ia64__
|
|
#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
|
|
#define CPUINFO_PROC {"model name"}
|
|
#endif
|
|
|
|
#ifdef __arm__
|
|
#define CPUINFO_PROC {"model name", "Processor"}
|
|
#endif
|
|
|
|
#ifdef __aarch64__
|
|
#define cpu_relax() asm volatile("yield" ::: "memory")
|
|
#endif
|
|
|
|
#ifdef __mips__
|
|
#define CPUINFO_PROC {"cpu model"}
|
|
#endif
|
|
|
|
#ifdef __arc__
|
|
#define CPUINFO_PROC {"Processor"}
|
|
#endif
|
|
|
|
#ifdef __metag__
|
|
#define CPUINFO_PROC {"CPU"}
|
|
#endif
|
|
|
|
#ifdef __xtensa__
|
|
#define CPUINFO_PROC {"core ID"}
|
|
#endif
|
|
|
|
#ifdef __tile__
|
|
#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
|
|
#define CPUINFO_PROC {"model name"}
|
|
#endif
|
|
|
|
#ifndef cpu_relax
|
|
#define cpu_relax() barrier()
|
|
#endif
|
|
|
|
static inline int
|
|
sys_perf_event_open(struct perf_event_attr *attr,
|
|
pid_t pid, int cpu, int group_fd,
|
|
unsigned long flags)
|
|
{
|
|
int fd;
|
|
|
|
fd = syscall(__NR_perf_event_open, attr, pid, cpu,
|
|
group_fd, flags);
|
|
|
|
#ifdef HAVE_ATTR_TEST
|
|
if (unlikely(test_attr__enabled))
|
|
test_attr__open(attr, pid, cpu, fd, group_fd, flags);
|
|
#endif
|
|
return fd;
|
|
}
|
|
|
|
#endif /* _PERF_SYS_H */
|